2,4-Dimethylbenzoyl chloride - ≥97% , CAS No.21900-42-5

CAS: 21900-42-5 Cat. No.: D301998 Molecular Weight: 168.62 EC Number: 673-238-1
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
2,4-dimethylbenzoyl chloride|21900-42-5|2,4-DiMethyl-Benzoyl Chloride|2,4-Dimethylbenzoylchloride|Benzoyl chloride, 2,4-dimethyl-|2.4-Dimethylbenzoylchlorid|SCHEMBL108320|2,4-di-methylbenzoyl chloride|2,4-dimethyl benzoyl chloride|?2,4-Dimethylbenzoyl chl
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
D301998-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$63.90
5g
D301998-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$222.90
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
2, 4-dimethylbenzoyl chloride | 21900-42-5 | 2, 4-DiMethyl-Benzoyl Chloride | 2, 4-Dimethylbenzoylchloride | Benzoyl chloride, 2, 4-dimethyl- | 2.4-Dimethylbenzoylchlorid | SCHEMBL108320 | 2, 4-di-methylbenzoyl chloride | 2, 4-dimethyl benzoyl chloride | ?2, 4-Dimethylbenzoyl chl
Specifications & Purity
≥97%
Storage
Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid504757219
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504757219
Canonical SmilesCC1=CC(=C(C=C1)C(=O)Cl)C
IUPAC Name2,4-dimethylbenzoyl chloride
InChIKeyJUOGRBULLOEKKQ-UHFFFAOYSA-N
INCHI1S/C9H9ClO/c1-6-3-4-8(9(10)11)7(2)5-6/h3-5H,1-2H3
Isomeric SMILES CC1=CC(=C(C=C1)C(=O)Cl)C
Molecular Weight 168.62
Reaxy-Rn 637169
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=637169&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzoic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzoic acids and derivatives
Alternative Parents m-Xylenes  Benzoyl derivatives  Acyl chlorides  Organooxygen compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzoic acid or derivatives - M-xylene - Xylene - Benzoyl - Acyl halide - Acyl chloride - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organochloride - Organohalogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzoic acids and derivatives. These are organic compounds containing a carboxylic acid substituent attached to a benzene ring.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

6 results found

Lot NumberCertificate TypeDateItem
I2321660Certificate of AnalysisJul 09, 2025 D301998
I2321662Certificate of AnalysisJul 09, 2025 D301998
D2514528Certificate of AnalysisJul 25, 2024 D301998
D2514529Certificate of AnalysisJul 25, 2024 D301998
L2009102Certificate of AnalysisSep 20, 2022 D301998
L2009101Certificate of AnalysisSep 20, 2022 D301998
Chemical and Physical Properties
Boil Point(°C)82°/1mm
Melt Point(°C)24-26℃
Molecular Weight168.620 g/mol
XLogP33.200
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count1
Exact Mass168.034 Da
Monoisotopic Mass168.034 Da
Topological Polar Surface Area17.100 Ų
Heavy Atom Count11
Formal Charge0
Complexity156.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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